implement getting multiple resources

[hidetatz]

WHAT

Fix a bug in getting multiple resources

WHY

Originally, getting multiple resource using kubecolor had a bug.

2nd header was not in headerColor.

After applying this PR

[codecov-io]

Codecov Report

Merging #31 into main will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #31      +/-   ##
==========================================
+ Coverage   92.94%   92.96%   +0.01%     
==========================================
  Files          12       12              
  Lines         411      412       +1     
==========================================
+ Hits          382      383       +1     
  Misses         22       22              
  Partials        7        7              

Impacted Files	Coverage Δ
printer/table.go	95.12% <100.00%> (+0.12%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 236798e...366f9ae. Read the comment docs.